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Table 7 Associations between the proportional frequencies of the young and old immatures of the M and S forms among sampling sites within a habitat as influenced by each physicochemical property of water during a category of rainfall in Banambani

From: Water quality and immatures of the M and S forms of Anopheles gambiae s.s. and An. arabiensis in a Malian village

Source df Young Old
  χ 2 P χ 2 P
Alkalinity 1 3.64 0.056 0.00 0.958
Site within a habitat 2 3.43 0.179 5.16 0.235
Category of rainfall 2 3.43 0.180 2.90 0.958
Conductivity 1 5.38 0.020* 0.27 0.603
Site within a habitat 2 6.29 0.043* 4.50 0.105
Category of rainfall 2 2.69 0.259 2.92 0.232
D.O. 1 0.02 0.896 0.74 0.391
Site within a habitat 2 4.58 0.101 5.27 0.072
Category of rainfall 2 2.25 0.325 3.19 0.203
pH 1 1.23 0.268 1.17 0.279
Site within a habitat 2 4.28 0.118 5.64 0.059
Category of rainfall 2 1.88 0.392 2.28 0.319
Temperature 1 0.01 0.940 1.22 0.269
Site within a habitat 2 4.27 0.118 5.25 0.072
Category of rainfall 2 2.16 0.339 3.27 0.195
TDS 1 5.70 0.017* 0.31 0.580
Site within a habitat 2 6.50 0.039* 4.47 0.107
Category of rainfall 2 2.67 0.263 2.93 0.231
  1. * P < 0.05